ornithine

view
  • Name: ornithine
  • Description: Ornithine is an alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. It has a role as a human metabolite, a Daphnia magna metabolite, an algal metabolite and... an Escherichia coli metabolite. It is a conjugate base of an ornithinium(1+). It is a conjugate acid of an ornithinate. (CHEBI:18257)
Overview of age-variations
Age group comparisons
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
18384253 Age 24.5 ± 3, Gender ⚥ 0.56 (mean value of the compound area) LC-MS; GC-MS plasma
18384253 Age 40.8 ± 5.6, Gender ⚥ 1.1 (mean value of the compound area) LC-MS; GC-MS plasma
18384253 Age 55.6 ± 3.7, Gender ⚥ 1.73 (mean value of the compound area) LC-MS; GC-MS plasma
27374292 Age [25–35] (median=32), Gender ♀ (Japanese) 0.800746 (average level of metabolite) UHPLC-MS/MS HILIC serum
27374292 Age [55–65] (median=60), Gender ♀ (Japanese) 1.017799 (average level of metabolite) UHPLC-MS/MS HILIC serum
Linear regression
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
30841604 Age [25-74], Gender ♀ 0.14 (β) indirect potentiometry serum
30841604 Age [45-80], Gender ♀ 0.24 (β) FIA-ESI-MS/MS serum
30841604 Age [25-74], Gender ♂ 0.14 (β) indirect potentiometry serum
30841604 Age [45-80], Gender ♂ 0.22 (β) FIA-ESI-MS/MS serum
log2 ratio/log2(FC)
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
Summary
  • Synonym:
    2,5-diaminovaleric acid; DL-ornithine; alpha, delta-diaminopentanoic acid; alpha, delta-diaminovaleric acid
  • Chemical Formula:
    C5H12N2O2
  • Exact Mass g/mol:
    132.0898780
  • Systematic name:
    2,5-diaminopentanoic acid
  • SMILES:
    C(CC(C(=O)O)N)CN
  • InChI:
    InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)
  • InChI Key:
    AHLPHDHHMVZTML-UHFFFAOYSA-N
  • CAS number:
    616-07-09
Related resources
Metabolite sources and localization
  • Metabolite location:
    Human organism, Body part, Human body biofluids, Biofluid tissues, Blood, Plasma, Tissue
  • Metabolite source:
    Homo sapiens, endogenous metabolite
Age-variations
Age group comparisons
Method: LC-MS; GC-MS
Sample: plasma
PubMed PMID: 18384253

Age group comparisons
Method: UHPLC-MS/MS HILIC
Sample: serum
PubMed PMID: 27374292

Linear regression
Method: indirect potentiometry
Sample: serum
PubMed PMID: 30841604
β = 0.14 (y = βx + α)
p-value < 0.05

Linear regression
Method: FIA-ESI-MS/MS
Sample: serum
PubMed PMID: 30841604
β = 0.24 (y = βx + α)
p-value < 0.05

Linear regression
Method: indirect potentiometry
Sample: serum
PubMed PMID: 30841604
β = 0.14 (y = βx + α)
p-value < 0.05

Linear regression
Method: FIA-ESI-MS/MS
Sample: serum
PubMed PMID: 30841604
β = 0.22 (y = βx + α)
p-value < 0.05